Add 81/2 and 80/8
1st number: 40 1/2, 2nd number: 10 0/8
81/2 + 80/8 is 101/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
81/2 = 81 × 4/2 × 4 = 324/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
80/8 = 80 × 1/8 × 1 = 80/8 - Add the two like fractions:
324/8 + 80/8 = 324 + 80/8 = 404/8 - 404/8 simplified gives 101/2
- So, 81/2 + 80/8 = 101/2
In mixed form: 501/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4+80/8 81/2+80/16 81/6+80/8 81/2+80/24 81/10+80/8 81/2+80/40 81/14+80/8 81/2+80/56